Advanced Vehicle Monitor for

Diesel Pusher Motorhomes & Big Rigs

ScanGauge D

Affordable Compatibility in a Compact Design

Big Rigs & RVsUnlike gas powered vehicle, OBDII is not the standard for large diesel powered vehicles such as diesel pusher RVs and over-the-road long-haul trucks – these type of vehicles rely on the J1939 and J1708 protocols. Vehicle diagnostic tools for these vehicles are both cumbersome and expensive. The new ScanGaugeD will change all that.

With the ScanGaugeD, you can monitor the most vital systems of your large diesel powered vehicle and provide the kind of real time information you’ve been missing. Features include more than 15 built-in digital gauges, 5 Trip Computers and an easy-to-use ScanTool that shows trouble codes — all in a compact design that installs in minutes.

Dual Compatibility
Works with J1939 & J1708 Vehicles

  • Compatible with the both J1939 & J1708 protocols
  • More than 15 Built-in Digital Gauges
  • Check & Clear Trouble Codes
  • Multiple Trip Computers
  • X-Gauge programmable gauge system
  • Performance Monitor

Dual Compatibility

The ScanGaugeD works with most 1987 and newer large diesel over-the-road vehicles. The ScanGauge is comes with a J1939 cable along with a J1708 adapter designed to accommodate both the J1939 protocol with a 9-pin diagnostic port as well as the J1708 protocol with 6-pin diagnostic port.


J1939 Connector
J1739 Connector
Connecting the ScanGage

Easy to Install No Tools Required

Installs in just minutes without tools. Simply plug the ScanGauge into the diagnostic connection under the dash.

No Batteries Required

The single connection to the diagnostic connector under the dashboard is all that is needed.


Automatic Protocol Determination

ScanGauge automatically determines the protocol your vehicle uses and connects.

6-Foot Cord and Velcro® Attachment

The ScanGauge can be mounted up to 6 feet from the under-dash diagnostic connector. The included Velcro® attachment system allows the ScanGauge to be quickly detached and then used to troubleshoot other vehicles.


User-Friendly Menu-Driven Operation

Simple 5-button operation allows you to quickly and easily access the powerful features of the ScanGauge.

Color Backlight Display

Match your instrument panel for an integrated look.

English & Metric Units

The Digital Gauges and Trip Computer information can be shown in either English or Metric units of measure, including Kilometers, Liters, Celsius, and kPA.

Digital Gauges

ScanGaugeD provides real-time gauges to show you what is going on “under the hood” with more than 15 built-in digital gauges. The gauge screen allows you to select and display 4 gauges at a time, so you can monitor the current operating conditions of your vehicle in real-time.

ScanGaugeII Digitial Gauges
X-GaugeProgrammable Gauge System
In addition to the standard set of gauges, ScanGaugeD also includes the exclusive X-Gauge technology. With XGauge, you can add additional vehicle specific gauges.
Digital GaugeName
Miles Per Gallon
Kilometers Per Gallon
Miles Per Liter
Liters Per 100Km
Kilometers Per Liter
Miles Per Hour
Kilometers Per Hour
RPMRevolutions Per Minute
TPSThrottle Position Sensor
Water Temperature
AVGAverage Fuel Economy
TFCTrip Fuel Cost
CPMCost Per Mile
VLTBattery Voltage
Intake Air Temperature
TFTTransmission Fluid Temperature
Gallons Per Hour
Liters Per Hour
OILOil Pressure
LODEngine Loading
ScanGauge D Fuel Guages

Learn to Improve Your Gas Mileage

The US government has put out a report that says driving habits can change fuel-economy by up to 33%. ScanGauge provides real-time data about your vehicle’s instant and average fuel economy, fuel used, cost of fuel used for each trip, cost per mile, gallons per hour and more!

There are many ways to reduce your fuel usage and increase fuel economy. Real-time feedback like what the ScanGauge provides is one of the most effective.

  • Driving More Efficiently With ScanGauge Can Save Up to: 33% 33%
  • Removing Excess Weight and Drag can save up to: 17% 17%
  • Simply Observing the Speed Limit can save up to: 14% 14%
  • Avoiding Excessive Idling can save up to: 2% 2%

Real-Time Fuel Economy Gauges

  • Instant Fuel Economy
  • Average Fuel Economy
  • Gallons/Liters per Hour
  • Cost per Mile
  • Trip Fuel Cost

Exclusive Programmable Gauge System

Discover available vehicle specific gauges and expand the functionality of your ScanGauge with X-GAUGE™. The ScanGaugeD has the ability to record your vehicle’s PID data. With the available PIDs, we can assemble a vehicle specific X-Gauge list for you to expanse the functional of your ScanGauge.

ScanGaugeII Trip Computer

Time & Distance Trip Computers

The ScanGauge can be configured for either automatic trip computers based on time and distance or manual A/B trip computers. THe automatic trip computers include the Current Trip, Today Trip and Previous Day Trip. 

Whether you use the automatic or A/B trip computers, each computer type tracks the following parameters:

  • MPG
  • Fuel Used
  • Max Coolant Temperature
  • Miles Driven
  • Max RPM
  • Hours Driven
  • Max MPH
  • Average MPH
  • Fuel Cost

Automatic Trip Computers

With five built-in trip computers, the ScanGauge can keep track of everything from fuel cost to distance traveled and everything in between. Data is stored on the ScanGauge and is retained even when the power is disconnected. Each trip computer starts automatically and information is available anytime during the trip.

Fuel & Tank Trip Computers

The ScanGauge includes two trip computers based on the current tank of fuel. They include the Current Tank and Tank to Empty. Each trip computer starts automatically when you tell the ScanGauge you have filled your tank.

  • MPG for current tank
  • Fuel Used on current tank
  • Tank to Empty
  • Distance Driven
  • Distance Until Empty
  • Hours driven on current tank
  • Hours to Empty
  • Average Speed
  • Fuel Used Cost
ScanGaugeD Performance Monitor
Available Performance Data Parameters
TimeThe amount of elapsed time at each data point from the beginning of the Performance Run to the end of the run
SpeedThe speed of the vehicle at each data point
DistanceThe total distance traveled at data point
Monitored GaugeUse the Monitor Function to select a built-in digital gauge to monitor. Data will be recorded for the selected gauge.

Performance MonitorPerformance Monitor

The ScanGaugeD features the all new Performance Monitor™ for real-time performance measurements. The Performance Monitor gives you the ability to track your vehicle’s performance over short periods of time, distance and acceleration.

Monitor various aspects of your vehicle’s performance such as:

  • Determine your vehicle’s 0-60 time.
  • Measure your vehicle’s braking performance.
  • Save and recall performance runs.
  • Monitor specific Digital Gauges.
  • and much more…


Performance Monitor Home

Provides access to all the Performance Monitor Features.

Arming the Performance Monitor

Arm the ScanGaugeD Performance Monitor just before you’re ready to record your run. The ScanGaugeD will automatically start recording when it detects change in speed.

Performance Recording Screen

Once the ScanGauge begins recording, it will display your time and speed in real-time. You can stop the recording at any time by pressing the STOP button.

Performance Data Screen

Step through the recorded data. You can store up to 10 individual runs.

Turn off That Check Engine Light!

The ScanGaugeD can check for Diagnostic Trouble Codes (DTCs) and if found, can display how many there are and the Trouble Codes themselves. Using the internet or repair manuals, these can be translated to the failed component and repairs can be made.

Clear Trouble Codes

Data captured when the Trouble Code was set can be recalled to help troubleshoot the problems (was the temperature hot or cold, speed high or low, etc.). The ScanGaugeD can be used to clear the trouble codes and data which will turn off the warning lamp.

ScanGaugeD Retail Package
Buy From Advance Auto Parts
Buy From AutoZone
Buy From Camping World
Where to Buy

Online Retailers

ScanGauge products are available all over the web. Click here to view a list and choose an authorized online retailer for the best deals.

Buy Locally

ScanGauge is available worldwide in local shops and stores. Search for a location near you that offers the ScanGauge and pick one up today!

Where to Buy

Buy your ScanGauge Online